The rapid development of the economy has accelerated the pace of urbanization. With the advancement of science and technology and the improvement of the living environment, urban lighting has increasingly become a symbol of urban civilization progress. Different from the color and charm of the day, the light of the night makes the dialogue between a city's history and modernity more rich and profound. At this time, urban lighting is not only to light up the night, but also another interpretation of the city, another way and perspective to explore the deeper soul and charm of the city.
Urban lighting, which is dominated by functional lighting and landscape lighting, has become a major energy consumer in the city. Incomplete statistics of the 137.23 million luminaires already in existence in 718 cities nationwide are the major energy consumers in Chinese cities, and behind them are a huge set of energy-consuming figures. The urban green lighting plan starting from a street lamp is the only way to move toward a "low carbon economy."
The Chinese government has formulated the “Eleventh Five-Year Plan for Green Project Planning†for urban lighting. And based on 2005, the urban lighting power saving target is 5%, and the five-year (2006-2010) cumulative power saving is 25%. According to the requirements of the 11th Five-Year Plan, it is necessary to save 29 billion kilowatt-hours of electricity and reduce carbon dioxide emissions by 2900. The goal of 10,000 tons.
The ever-increasing LED technology has made it possible for cities to provide more energy-efficient, greener lighting systems. Making "low carbon economy" and "zero carbon future" not only become fashionable words on paper, but also the only way for urban lighting to go green lighting.
In many cities and towns, LED has been the theme of functional lighting. Street lamps and garden lights create a good visual environment, ensure traffic safety, and beautify the environment. The LEDs that are decorated on the periphery of the building reshape the nighttime image of landscape lighting, increasing the city's charm and improving night life. Advanced technology, energy saving, and safe use of LEDs rely on their low power consumption, long life, high brightness, low heat, dimming and other characteristics to perfectly interpret the perfect conversion of light and electricity.
Urban lighting is an emerging edge discipline, and many cities' green lighting projects are still in their infancy and development is uneven. The management system of urban lighting does not agree with each other. For example, urban lighting work is subordinated to the heads of different departments such as municipal administration, planning, construction, city appearance, and electric power. The source of funds includes both financial allocation and self-support; the management mechanism has different supervisory departments. The series of problems in the system made it difficult to coordinate in the process of work. In addition, there are no corresponding standards, management, supervision and other systems in lighting special planning and green lighting management. The factors that cause unfair competition in urban lighting construction, low efficiency, high energy consumption, and light pollution are also common, restricting the healthy development of the urban lighting industry.
The green lighting created by LEDs has drawn a fascinating picture. Green lighting is technically achievable. And to make the dream come true still needs the power of the market.
The beauty of green lighting can't just stay on the advocacy of experts and government officials. Some big companies and big cities should stand up and take the lead in taking up their social responsibilities. If they can pay attention to the urbanization of green lighting, they can notice the adverse effects of ordinary lighting fixtures and light sources on the environment, and care about the emission reduction of carbon dioxide gas. Then everyone's consensus will form a market demand for green lighting. With the demand of the market, green city lighting can be widely promoted and applied in the whole society.
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